Kenwood KAC-X542 Service Manual page 10

K
KAC-X542
PC BOARD (FOIL SIDE VIEW)
1
AUDIO UNIT X09-5780-11 A/2
(J76-0008-11)
2
W712
W659
3
W414
C301
W423
4
GND
TP10
W412
W413
W656
TP04
TP05
W416
5
C34
W669
R124
R110
C132
R108
C116
R126
C106
14 8
R172
IC1
R170
1 7
R125 C105 R107
C115
R109
C131
W396
R123
C33
R194 R195
R294
W421 R296 R196
R100
C126
C250
C226
C225
6
OUT-L
C107
X09-5780-11
Ref. No. Address Ref. No. Address Ref. No. Address
IC1 5K IC6 4Q
IC2 5L IC8 6M
IC3 5M IC9 6M
7
IC4 4M IC10 5S Q10
Q1 5N Q11
Q2 5O Q12
10
L
2.5mV
DC voltmeter
D68
W369
W627
W368
D155
D203
TH1
W638
W651
R357 TH1
R351
B E
E B E B
AL
W401 W358
W370
R341
R347 R345
W363
W395
AL
VR5
W587
W391
W347
D301
E B
B E
W362
D152
C302
Q42
C307
R363
E B
W372
W639
E B
W373
Q41
W710
W381
W382
W384
R161
R461
W385 W374
W386
W375
W376
W377
C85
W378
W379
W380
C82
X1
C32 C31
80
TP07
W645
1
R560
R542
TP06
R200
R540
W634
C200
R539
W635
R541
W400 TP02
C38
R224
TP03
R210
C232 W348
R226
R208
W349
C206
14 8 W350
R272
IC2
R270
R4
1 7
W359
R225 C205
C215
R607 R606
C231 R207
D201
D101
R209 4
W361
R223
C37
R204
R295
C507
W632
C202
C150
R103
R203
1
C103
C101 C201
C204
D93
C104
IN-BL
J1
OUT
AR IN-AR BL
D91
C125
S7
D200
C224
C512
C124
Ref. No. Address Ref. No. Address
Q7 4S Q13 4S Q20 5S
Q8 4S Q14 4S Q21 5T
Q9 4T Q15 4S Q22 5O
4T Q16 5S Q24 5N
3S Q17 2N Q25 5N
3S Q18 2O Q26 2N
M
Q53
W320
Q51
B E
R73 W321
B E
R80
R74
B E
B E
Q50
R79
W346
W594
W598
W581
TH2
R360 W583
TH2
R358
W578
B E
E B
AR
W357
W339
W353 W333
W316
R346
W315
W351
AR
W318
VR6
C316
C401
W330
D302
W579
W332
W623
R974
D158
E B
B E
W606
W354
C402
D30
E B B E
W314
W577
R228
W305
W338
W355
IC4
W618 L9
4 3
R590
1 2
60
61
R472
R620
R544
41
IC3
40
R550
D85
W433
R549
R517 Q93
W322
20 21 R546
W323
R548
R530
W324
SDA
W613
CLK
W614
R531
Q94
W615
E B
E B
B E
C511
W585
E B
B E
C510
R522
W622
B E
B E
W572
5
C503 4 1
IC9
R510
B E
B E
C509
IC8
R506
R504
D88 Q81
R602
8
5 8
R514 C516
W352
R513 D63
D80
R501
W589
R604
W582
R500 TP16
13
R611
12
9
C504 TP17
R610
8 5
TP12 TP18
TP11
TP14
1
4
R537
TP13 W575
3 4
J4
W595
TP15
W713
1 2 C513
TP20
W573
W707
J3
Ref. No. Address Ref. No. Address Ref. No. Address
Q27 2O Q44 3N Q56
Q30 5O Q50 2M Q57
Q31 5O Q51 1M Q58
Q41 4L Q52 2M Q59
Q42 3L Q53 1M Q60
Q43 3M Q54 4N Q61
N
2.5mV
DC voltmeter
C19
C17
C14
R20
C13
W568
W537
+15V
-15V
W547 W703
W565
W534
W566
E B
E B
E B
W282
W290 W279
AR W291 W283 W280
R342
R348
W285
W288
W309
W297
C407
R463
W561
W560
W700
W294
R406
R408
W262
R410
W701
C406
W268
C408
W542
W567
W265
R464
C464
W555
W550
C255
Q54
D70
E B E B
W227
W569
R964
R83
R967 W554 R82
W610
W546
W284
W545
C80
W556
B E
C72
R571
W557
B E
R87
Q64
B E
B E R86
W544
Q62 E B C78
Q61
R578
W536
W258
Q77
E B
W717 B E
W558
W718
C27 W548 Q2
W551 E B
W719 W303
Q22
E B
E B Q24
W292
Q1
W702 D12
W302
C54
W293
W552
W705
C53 R66
Q80 W559
W600 W299
R62
R509 R508
E B
B E Q30
R507 B E
B E
B E Q25
Q31
R60
Q85
W281
C29
W269
D62
R568
B E
B E
W237
W596
E B E B
D82
B E
Q84
W277 Q91
E B
W278 C351
Q99
D76
W564 W562
W570
W571
TP19
S6
TP21
Ref. No. Address Ref. No. Address
5O Q62 5N Q73 5O
5O Q63 4N Q74 4S
4O Q64 4N Q75 4T
4O Q65 4N Q77 5N
4O Q66 5N Q80 5N
5O Q67 5N Q81 6N
O
2.5mV
DC voltm
C20
W526
W530
D405
W
W533
W531
TH3
W529
W584
W527 R421
TH3
B E
E B
Q425
W221 W
W249
W203
R447
W216
W222
W210
R405
D401
W523
W524
W206
W209
R25
W226
W225
W228
W236
W255
W234
W235
W233
B E
W247
R98
B E
E B
W243
Q57
R45
R58
W240
R63
R40
W200
R371
C350
AL+
AR-
R370
AL-G
W232
W431
J8
Ref. No. Address
Q82 6N
Q83 6N
Q84 6O
Q85 5N
Q86 5M
Q90 5M